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//---------------------------------------------------------------------------
//
//  findtype.c - Test module to find all devices of one type.
//
//  Version: 2.00
//
//----------------------------------------------------------------------
//
//
#include "ownet.h"
#include "findtype.h"

//----------------------------------------------------------------------
// Search for devices
//
// 'portnum'  - number 0 to MAX_PORTNUM-1.  This number is provided to
//              indicate the symbolic port number.
// 'FamilySN' - an array of all the serial numbers with the matching
//              family code
// 'family_code' - the family code of the devices to search for on the
//                 1-Wire Net
// 'MAXDEVICES'  - the maximum number of devices to look for with the
//                 family code passed.
//
// Returns: TRUE(1)  success, device type found
//          FALSE(0) device not found
//
SMALLINT FindDevices(int portnum, uchar FamilySN[][8], SMALLINT family_code,
		int MAXDEVICES)
{
	int NumDevices = 0;

	// find the devices
	// set the search to first find that family code
	owFamilySearchSetup(portnum, family_code);

	// loop to find all of the devices up to MAXDEVICES
	NumDevices = 0;
	do {
		// perform the search
		if (!owNext(portnum, TRUE, FALSE))
			break;
		owSerialNum(portnum, FamilySN[NumDevices], TRUE);
		if ((FamilySN[NumDevices][0] & 0x7F) == (family_code & 0x7F)) {
			NumDevices++;
		}
	} while (NumDevices < (MAXDEVICES - 1));
	// check if not at least 1 device
	return NumDevices;
}
